74155760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{132421}}^1$

素因数の和:132441

約数の個数: 40

約数和(自身を含む): 197043936

約数和(自身を除く): 122888176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 132421, 264842, 529684, 662105, 926947, 1059368, 1324210, 1853894, 2118736, 2648420, 3707788, 4634735, 5296840, 7415576, 9269470, 10593680, 14831152, 18538940, 37077880, 74155760]

約数ペア:

[(1, 74155760), (2, 37077880), (4, 18538940), (5, 14831152), (7, 10593680), (8, 9269470), (10, 7415576), (14, 5296840), (16, 4634735), (20, 3707788), (28, 2648420), (35, 2118736), (40, 1853894), (56, 1324210), (70, 1059368), (80, 926947), (112, 662105), (140, 529684), (280, 264842), (560, 132421)]